Figure 2. Airway epithelium and Treg regeneration.
A). OTT recipients (Balb/c into C57Bl/6 and Balb/c into C57Bl/6 MMP-7KO, n=50 each) were sacrificed and the frequency of CD4+CD25+Foxp3+ Treg analyzed in the draining lymph nodes. B) Mice in each of the above groups were then sacrificed on day 60 and intramural fibrosis of the donor tracheas analyzed.